class_docstr: Patch a callback output value
  
  Act like a proxy of the output prop value on the frontend.
  
  Supported prop types: Dictionaries and lists.
code: def __delattr__(self, item):
      self.__delitem__(item)
  
label_desc: Use image node_id 7 for calling the Patch obj's underlying member method code with example usage: obj.__delattr__(item) without return types